(0)G01N:0/9:
IPC6
SECTION G - PHYSICS
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR...
G01N
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G 01 N

 INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (separating components of materials in general B 01 D, B 01 J, B 03, B 07; apparatus fully provided for in a single other subclass, see the relevant subclass, e.g. B 01 L; measuring or testing processes other than immunoassay, involving enzymes or micro-organisms C 12 M , C 12 Q; investigation of foundation soil in situ E 02 D 1/00; sensing humidity changes for compensating measurements of other variables or for compensating readings of instruments for variations in humidity, see G 01 D or the relevant subclass for the variable measured; testing or determining the properties of structures G 01 M; measuring or investigating electric or magnetic properties of materials G 01 R; systems in general for determining distance, velocity or presence by use of propagation effects, e.g. Doppler effect, propagation time, of reflected or reradiated radio waves, analogous arrangements using other waves G 01 S; determining sensitivity, graininess, or density of photographic materials G 03 C 5/02; testing component parts of nuclear reactors G 21 C 17/00)
 

Notes

(1)

 In this subclass, the following terms are used with the meanings indicated:
 

-

 "investigating" means testing or determining;
 

-

 "materials" includes solid, liquid or gaseous media, e.g. the atmosphere.

(2)

 Attention is drawn to the Notes following the title of class G 01.

(3)

 Investigating the properties of materials, specially adapted for use in processes covered by subclass B 23 K, is classified in group B 23 K 31/12. [5]

 

 

 
 

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/ 00 Sampling; Preparing specimens for investigation (handling materials for automatic analysis G 01 N 35/00)

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/ 02 • Devices for withdrawing samples (for medical or veterinary purposes A 61; obtaining samples of soil or well fluids E 21 B 49/00)  

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/ 04 • • in the solid state, e.g. by cutting  

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/ 06 • • • providing a thin slice, e.g. microtome  

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/ 08 • • • involving an extracting tool, e.g. core bit  

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/ 10 • • in the liquid or fluent state  

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/ 12 • • • Dippers; Dredgers (suction dredgers E 02 F 3/88) [5]  

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/ 14 • • • Suction devices, e.g. pumps; Ejector devices  

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/ 16 • • • with provision for intake at several levels (G 01 N 1/12, G 01 N 1/14 take precedence)  

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/ 18 • • • with provision for splitting samples into portions (G 01 N 1/12, G 01 N 1/14 take precedence; fraction-collection apparatus for chromatography B 01 D 15/08)  

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/ 20 • • • for flowing or falling materials (G 01 N 1/12, G 01 N 1/14 take precedence)  

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/ 22 • • in the gaseous state  

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/ 24 • • • Suction devices  

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/ 26 • • • with provision for intake from several spaces  

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/ 28 • Preparing specimens for investigation (mounting specimens on microscopic slides G 02 B 21/34; means for supporting the objects or the materials to be analysed in electron microscopes H 01 J 37/20)  

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/ 30 • • Staining; Impregnating  

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/ 31 • • • Apparatus therefor [6]  

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/ 32 • • Polishing; Etching  

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/ 34 • • Purifying; Cleaning  

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/ 36 • • Embedding or analogous mounting of samples [6]  

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/ 38 • • Diluting, dispersing or mixing samples [6]  

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/ 40 • • Concentrating samples [6]  

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/ 42 • • Low-temperature sample treatment, e.g. cryofixation [6]  

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/ 44 • • Sample treatment involving radiation, e.g. heat [6]  
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